<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">
      <!-- <el-form-item label="规则ID" prop="ruleId">
        <el-input v-model="queryParams.ruleId" placeholder="请输入规则ID" clearable @keyup.enter="handleQuery" />
      </el-form-item> -->
      <el-form-item label="规则名称" prop="ruleName">
        <el-select v-model="queryParams.ruleName" filterable clearable placeholder="请选择规则名称" @change="handleQuery">
          <el-option v-for="item in ruleNameOptions" :key="item.ruleId" :label="item.ruleName" :value="item.ruleName" />
        </el-select>
      </el-form-item>

      <el-form-item label="规则内容" prop="ruleContent">
        <el-input v-model="queryParams.ruleName" placeholder="请输入规则内容" clearable @keyup.enter="handleQuery" />
      </el-form-item>
      <el-form-item label="作物名称" prop="varietyName">
        <el-select v-model="queryParams.varietyName" filterable clearable placeholder="请选择作物名称" @change="handleQuery">
          <el-option v-for="item in varietyNameOptions" :key="item" :label="item" :value="item" />
        </el-select>
      </el-form-item>
      <!-- <el-form-item label="开始日期" prop="startDate">
        <el-date-picker clearable v-model="queryParams.startDate" type="date" value-format="YYYY-MM-DD"
          placeholder="请选择开始日期">
        </el-date-picker>
      </el-form-item>
      <el-form-item label="结束日期" prop="endDate">
        <el-date-picker clearable v-model="queryParams.endDate" type="date" value-format="YYYY-MM-DD"
          placeholder="请选择结束日期">
        </el-date-picker>
      </el-form-item> -->
      <!-- <el-form-item label="创建者" prop="createBy">
        <el-input v-model="queryParams.createBy" placeholder="请输入创建者" clearable @keyup.enter="handleQuery" />
      </el-form-item> -->

      <!-- <el-form-item label="创建时间" prop="createTime">
        <el-date-picker clearable v-model="queryParams.createTime" type="date" value-format="YYYY-MM-DD"
          placeholder="请选择创建时间">
        </el-date-picker>
      </el-form-item> -->
      <!-- <el-form-item label="更新时间" prop="updateTime">
        <el-date-picker clearable v-model="queryParams.updateTime" type="date" value-format="YYYY-MM-DD"
          placeholder="请选择更新时间">
        </el-date-picker>
      </el-form-item> -->
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="Plus" @click="handleAdd" v-hasPermi="['system:rules:add']">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="success" plain icon="Edit" :disabled="single" @click="handleUpdate"
          v-hasPermi="['system:rules:edit']">修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="danger" plain icon="Delete" :disabled="multiple" @click="handleDelete"
          v-hasPermi="['system:rules:remove']">删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" plain icon="Download" @click="handleExport"
          v-hasPermi="['system:rules:export']">导出</el-button>
      </el-col>
      <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="rulesList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" align="center" />
      <el-table-column label="序号" align="center" width="50" prop="ruleId" />
      <el-table-column label="规则名称" align="center" width="200" prop="ruleName" />
      <el-table-column label="规则内容" align="center" width="500" prop="ruleContent" />
      <el-table-column label="作物名称" align="center" width="80" prop="varietyName" />
      <!-- <el-table-column label="农业规则适配时期" align="center" width="200">
        <template #default="scope">
          <span>
            {{ new Date(scope.row.startDate).getFullYear() }}年{{ new Date(scope.row.startDate).getMonth() + 1 }}月至
            {{ new Date(scope.row.endDate).getFullYear() }}年{{ new Date(scope.row.endDate).getMonth() + 1 }}月
          </span>
        </template>
      </el-table-column> -->
      <el-table-column label="创建用户" align="center" prop="createByName" />
      <el-table-column label="创建时间" align="center" prop="createTime" width="180">
        <template #default="scope">
          <span>{{ parseTime(scope.row.createTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="更新时间" align="center" prop="updateTime" width="180">
        <template #default="scope">
          <span>{{ parseTime(scope.row.updateTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <!-- <el-table-column label="备注" align="center" prop="remark" /> -->
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template #default="scope">
          <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)"
            v-hasPermi="['system:rules:edit']">修改</el-button>
          <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)"
            v-hasPermi="['system:rules:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total > 0" :total="total" v-model:page="queryParams.pageNum"
      v-model:limit="queryParams.pageSize" @pagination="getList" />

    <!-- 添加或修改农业规则对话框 -->
    <el-dialog :title="title" v-model="open" width="500px" append-to-body>
      <el-form ref="rulesRef" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="规则名称" prop="ruleName">
          <el-input v-model="form.ruleName" placeholder="请输入规则名称" />
        </el-form-item>
        <el-form-item label="规则内容" prop="ruleContent">
          <el-input v-model="form.ruleContent" type="textarea" placeholder="请输入内容" />
        </el-form-item>
        <el-form-item label="作物名称" prop="varietyName">
          <el-input v-model="form.varietyName" placeholder="请输入作物名称" />
        </el-form-item>
        <!-- <el-form-item label="开始日期" prop="startDate">
          <el-date-picker clearable v-model="form.startDate" type="date" value-format="YYYY-MM-DD"
            placeholder="请选择开始日期" />
        </el-form-item>

        <el-form-item label="结束日期" prop="endDate">
          <el-date-picker clearable v-model="form.endDate" type="date" value-format="YYYY-MM-DD"
            placeholder="请选择结束日期" />
        </el-form-item> -->


        <el-form-item label="备注" prop="remark">
          <el-input v-model="form.remark" type="textarea" placeholder="请输入内容" />
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup name="Rules">
import { listRules, getRules, delRules, addRules, updateRules } from "@/api/agriculture/znjc/rules"
import { getUserProfile, getUser } from "@/api/system/user"


// function printCurrentUser() {
//   getUserProfile().then(res => {
//     console.log('当前用户ID:', res.data.userId)
//   }).catch(err => {
//     console.error('获取当前用户信息失败:', err)
//   })
// }
// onMounted(() => {
//   printCurrentUser()
// })

const { proxy } = getCurrentInstance()


const rulesList = ref([])
const open = ref(false)
const loading = ref(true)
const showSearch = ref(true)
const ids = ref([])
const single = ref(true)
const multiple = ref(true)
const total = ref(0)
const title = ref("")
const ruleNameOptions = ref([])  // 规则列表
const varietyNameOptions = ref([])  // 作物名称列表

const data = reactive({
  form: {},
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    ruleId: null,
    ruleName: null,
    ruleContent: null,
    varietyName: null,
    startDate: null,
    endDate: null,
    createBy: null,
    createTime: null,
    updateTime: null,
    remark: null
  },
  rules: {
    ruleName: [
      { required: true, message: '规则名称不能为空', trigger: 'blur' }
    ],
    ruleContent: [
      { required: true, message: '规则名称不能为空', trigger: 'blur' }
    ],
    varietyName: [
      { required: true, message: '作物名称不能为空', trigger: 'blur' }
    ],
    startDate: [
      { required: true, message: '请选择开始日期', trigger: 'change' }
    ],
    endDate: [
      { required: true, message: '请选择开始日期', trigger: 'change' }
    ]
  }

})

const { queryParams, form, rules } = toRefs(data)



// 加载规则并提取作物名称去重
async function loadAllRuleNames() {
  const res = await listRules({ pageNum: 1, pageSize: 1000 })
  ruleNameOptions.value = res.rows || []

  // 提取所有作物名称
  const allVarieties = ruleNameOptions.value.map(item => item.varietyName).filter(v => v)
  // 去重
  varietyNameOptions.value = Array.from(new Set(allVarieties))
}

/** 查询农业规则列表 */
async function getList() {
  loading.value = true
  try {
    const response = await listRules(queryParams.value)
    rulesList.value = response.rows
    total.value = response.total
    await loadUserNames()  // 加载用户名
  } finally {
    loading.value = false
  }
}

// 取消按钮
function cancel() {
  open.value = false
  reset()
}

// 表单重置
function reset() {
  form.value = {
    ruleId: null,
    ruleName: null,
    ruleContent: null,
    varietyName: null,
    startDate: null,
    endDate: null,
    createBy: null,
    createTime: null,
    updateTime: null,
    remark: null
  }
  proxy.resetForm("rulesRef")
}

/** 搜索按钮操作 */
function handleQuery() {
  queryParams.value.pageNum = 1
  getList()
}

/** 重置按钮操作 */
function resetQuery() {
  proxy.resetForm("queryRef")
  handleQuery()
}

// 多选框选中数据
function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.ruleId)
  single.value = selection.length != 1
  multiple.value = !selection.length
}

/** 新增按钮操作 */
async function handleAdd() {
  reset()
  try {
    const res = await getUserProfile();
    form.value.createBy = res.data.userId;  // 设置当前用户ID到创建者字段
  } catch (error) {
    console.error("获取当前用户信息失败:", error);
  }
  open.value = true
  title.value = "添加农业规则"
}

/** 修改按钮操作 */
function handleUpdate(row) {
  reset()
  const _ruleId = row.ruleId || ids.value
  getRules(_ruleId).then(response => {
    form.value = response.data
    open.value = true
    title.value = "修改农业规则"
  })
}

/** 提交按钮 */
function submitForm() {
  proxy.$refs["rulesRef"].validate(valid => {
    if (valid) {
      if (form.value.ruleId != null) {
        updateRules(form.value).then(response => {
          proxy.$modal.msgSuccess("修改成功")
          open.value = false
          getList()
        })
      } else {
        addRules(form.value).then(response => {
          proxy.$modal.msgSuccess("新增成功")
          open.value = false
          getList()
        })
      }
    }
  })
}

/** 删除按钮操作 */
function handleDelete(row) {
  const _ruleIds = row.ruleId || ids.value
  proxy.$modal.confirm('是否确认删除农业规则编号为"' + _ruleIds + '"的数据项？').then(function () {
    return delRules(_ruleIds)
  }).then(() => {
    getList()
    proxy.$modal.msgSuccess("删除成功")
  }).catch(() => { })
}

/** 导出按钮操作 */
function handleExport() {
  proxy.download('system/rules/export', {
    ...queryParams.value
  }, `rules_${new Date().getTime()}.xlsx`)
}

/**
 * 根据规则列表中的 createBy 用户ID，异步查询对应用户名并赋值到 createByName 字段
 */
async function loadUserNames() {
  const promises = rulesList.value.map(async (rule) => {
    if (rule.createBy) {
      try {
        const res = await getUser(rule.createBy)
        rule.createByName = res.data.userName || '未知用户'
      } catch (error) {
        rule.createByName = '查询失败'
        console.error('获取用户失败', error)
      }
    } else {
      rule.createByName = '无用户ID'
    }
  })
  await Promise.all(promises)
}

loadAllRuleNames()

getList()

</script>
